Grain hopper



FIG. 1 is a bottom front perspective view of a grain hopper showing our new design;

FIG. 2 is a top back perspective view according to FIG. 1;

FIG. 3 is a front view according to FIG. 1;

FIG. 4 is a back view according to FIG. 1;

FIG. 5 is a right side view according to FIG. 1;

FIG. 6 is a left side view according to FIG. 1;

FIG. 7 is a top view according to FIG. 1; and,

FIG. 8 is a bottom view according to FIG. 1. 

CLAIM The ornamental design for a grain hopper, as shown and described. 